PROVN OF BOREWELL NEAR BP-83 TO 84 AT DHANA MIL STN

Amount

M&L for Trail Boring/ Drilling 'pilot bore' perfactly vertical of dia suitable for lowering 200 mm dia UPVC pipe, DTH-CUM Rotary method to any depth below ground level in any type of pf strata/soil/rock with sand or loose boulder including disposal of materials obtained (soil, rock, etc) from boring to distance not exceeding 50 metre with & including deploying required rig, machinery, T&P, equipments, etc with & Preparation and submission of Geological investigation Report for project area and mobilization of professional staff for preparation of litholog and collections of samples at site, including well cap on top of the tube complete all as specified and directed.

M&L for Boring/ Drilling perfactly vertical bore of dia suitable for lowering 200mm dia UPVC pipe, DTH-CUM Rotary method up to a depth 60 metre below ground level in any type of strata of soil/ loose boulder with sand including disposal of materials obtained (soil, boulders, etc) from boring to distance not exceeding 250 metre with & including deploying required rig, machinery, T & P, equipments, etc with & Preparation and submission of Geological investigation Report for project area and mobilization of professional staff for preparation of litholog and collections of samples at site, including well cap on top of the tube complete, all as specified and directed.

S&F UPVC class 'B' pipe 200mm dia bore (Sch 80) complete incluidng special Nominal dia complete all as directed by Engr-In-Charge.

S&F UPVC class 'B' pipe 200mm dia bore (Sch 80) slotted/perforated complete incluidng special Nominal dia complete all as directed by Engr-In-Charge.

Supply and fixing nylon rope 20mm dia bore

S&F CI/ reflux valve (NRV) with by pass arrangement suitable for 50 mm outlet submersible pump line ISI Mark complete all as specified and directed.

Development of tube well with compressed air and after with 25% extra capacity pump by pumping muddy water complete all as directed by Engr-In-Charge.

Yield Test for the bore well by continuously pumping for 16 hrs to determine sage pumping yield complete all as directed by Engr-In-Charge.

Supply & fix stainless steel submersible pump of rating 15 HP having supply voltage 415 V, 3 Phase, 50Hz, 28 stage minimum head 250 mtr and minimum discharge rate 120 lpm complete all as specified and directed. Make:- Kirloskar (Model-KS6B-1528) or equivalent make in Jyoti/ Shakti/ Bajaj

Supply and lowering of HDPE pipe of pressure rating 6 Kgf/Sq cm of grade PE-63, IS-4984 of 50 mm dia including fixing of clamps and all accessories with submersible pump set complete as directed by Engr-In-Charge.

Supply, laying, jointing and testing LT, XLPE insulated, armoured heavy duty cable with stranded aluminium conductor suitable for rated voltage of 1100 volts grade laid in trenches/pipe/ducts or on pole including cost of all types of double compressed brass, aluminium lugs, cable glands of size 70 sqmm 3.5 core complete all as specified and directed. Note:- Excavation, earth work, sand cushoning and cable cover will be measured and paid separately.

Excavation in trenches in hard/dence soil not exceeding 1.5 metre wide and not exceeding 1.5 metre in depth and getting out, complete all as specified and directed.

Returning, filling in with excavated soil, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick complete all as specified and directed.

Removing excavated material (soil) not exceeding 50 metre and depositing where directed at a level not exceeding 1.5 metre above the starting point complete all as specified and directed.

M&L for brick protection over to LT under ground cable with old size sub class 'B' bricks locally available dry laid flat across the length of the trench as in cable protection complete all as specified and directed.

M&L for sand cushioning to PVC/ XLPE cables with river sand and punning to provide required cover to UG cables, complete all as specified and directed. Note:- For the purpose of payment only punned thickness will be measured.

M&L for galvanized iron pipe, light grade (ISI marked) of dia 50mm with all fittings laid in trenches or on pole, crossing of road, fixed on wall for protection of cables complete all as specified and directed of following bore:-

Supply and lay submersible cable ISI marked of size 10 sq mm 3 core copper conductor as directed by Engr-In-Charge.

Earthing complete with galvanized steel earth plate electrode of size 60cm X 60 cm X 6 mm buried directly in ground (earth pit not less than 2.25m deep below the normal ground level) with top edge of plate not less than 1.5 m below the normal ground level connected to GI earth strip 32 X 6 mm as earth lead by means of bolts, nuts, check nuts and washers of galvanized iron or steel, protected by GI pipe light grade 40mm bore all as shown on electrical plate No 5 of SSR Part-I connected to earth test point electrode, PCC pit with RCC cover, funnel with wire mesh, watering pipe 20mm dia protection pipe etc and testing on completion complete all as specified and directed. Note No 1 :- The unit rate shall also include for earth work in hard/dense soil, PCC (1:3:6) type C1 chamber including necessary plastering work and white wash, RCC 1:2:4 type B-1 cover 50 mm thick reinforced with 8 mm dia TMT bar @ 150 mm c/c both ways, funnel with watering pipe 20 mm dia medium grade, GI protection pipe light grade 40 mm dia and wire mesh complete in addition to item No 1 (a) to (e) of preamble (Notes) under sub-heading earthing, specified on Serial Page No 389 of SSR Part –I. Note No 2 :- Earthing strip and GI protection pipe beyond 7.5 m will be measured and paid separately if required.

Note for all items: All items shall be executed as specified and directed by Engr-in-charge.

PARAS BROTHERS